Mathematical posts.
Good old days.
Technical posts.
Short expository notes to capture insights.
Rambling words.
Solutions to specific problems.
Atiyah–Macdonald affairs.
The geometry of the nilpotent cone of \(\mathfrak{gl}_n\).
有限群表示论，Peter–Weyl 分解，对称群表示论和 Schur–Weyl 对偶．
All posts on this site.
All posts on this site, including drafts.
Drafts WIP and shelved writings.
